CN117000741B - Concrete recycling device and method with separation function - Google Patents

Concrete recycling device and method with separation function Download PDF

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Publication number
CN117000741B
CN117000741B CN202311172788.XA CN202311172788A CN117000741B CN 117000741 B CN117000741 B CN 117000741B CN 202311172788 A CN202311172788 A CN 202311172788A CN 117000741 B CN117000741 B CN 117000741B
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concrete
fixedly arranged
shell
heating
cavity
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CN117000741A (en
Inventor
张丽辉
贾占勇
韩强
李辉
黄魁生
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Wu'an Mingcheng Concrete Co ltd
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Wu'an Mingcheng Concrete Co ltd
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Priority to CN202311172788.XA priority Critical patent/CN117000741B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/35Shredding, crushing or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/38Stirring or kneading
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/45Concrete

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crushing And Grinding (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention belongs to the technical field of concrete recovery, and discloses a concrete recovery device with a separation function and a method thereof. The problem that the concrete is difficult to crush by the crusher due to the fact that a large number of high-strength steel bars are carried in the concrete is solved, the problem that the concrete is difficult to recycle due to the fact that the strength of the concrete is greatly increased, meanwhile, the problem that concrete is crushed along with the steel bars in the concrete, and concrete particles and steel bar scraps are mixed together are avoided.

Description

Concrete recycling device and method with separation function
Technical Field
The invention belongs to the technical field of concrete recovery, and particularly relates to a concrete recovery device with a separation function and a concrete recovery method.
Background
Concrete is one of the most prominent civil engineering materials in the current generation. The artificial stone is mainly composed of cement, sand stone, steel bars with high price and the like, and is formed by uniformly stirring, compacting, molding, curing and hardening, and has the characteristics of very high compressive strength, durability, wide strength grade range and the like.
The concrete is used as a common building material, has high recovery value, particularly the reinforcing steel bars for supporting effect in the concrete, in addition, small-particle concrete blocks can be mixed with new concrete to form new concrete so as to reduce the production cost, but the concrete is difficult to be crushed and recovered by conventional equipment due to the fact that a large amount of high-strength reinforcing steel bars are mixed in the concrete, and the reinforcing steel bars in the concrete are crushed together when the high-power large-crushing equipment is used for crushing the concrete, so that the later-stage reinforcing steel bars are difficult to be recycled.
Disclosure of Invention
The technical scheme of the invention is as follows: the present invention is directed to a concrete recycling device and method with separation function, so as to solve the problems set forth in the background art.
In order to achieve the above object, the present invention provides the following technical solutions: the concrete recovery device with the separation function comprises a base and also comprises
The first support frame is fixedly arranged on one side of the upper surface of the base;
the dividing mechanism is fixedly arranged at the top end of the first supporting frame;
the second support frame is fixedly arranged in the middle of one side of the upper surface of the base;
the third support frame is fixedly arranged in the middle of the upper surface of the base;
the heating mechanism is fixedly arranged at the top ends of the second support frame and the third support frame;
wherein the heating mechanism comprises a heating cavity, the heating cavity is fixedly arranged at the top ends of a second supporting frame and a third supporting frame, a plurality of groups of conveying shafts are movably sleeved at the bottom of the inner cavity of the heating cavity at equal intervals, the conveying shafts are made of high heat-resistant materials, first gears are fixedly arranged at two ends of each group of conveying shafts, reversing wheels movably sleeved with the heating cavity are fixedly arranged at the middle parts of two adjacent first gears, the reversing wheels are mutually meshed with the two adjacent first gears, a secondary pulley is fixedly arranged at the front ends of the first gears on one side, a belt sleeved with a main belt pulley is sleeved on the curved surface of the secondary pulley, a plurality of groups of heating rods are fixedly arranged at the middle part of the inner cavity of the heating cavity at equal intervals, valves are symmetrically and movably sleeved at one side and the other side of the inner cavity of the heating cavity, side rods are fixedly arranged at the front ends and the rear ends of two valve rotating shafts, the middle parts of the side rods on the same side are movably sleeved with valve rods, guide shells are symmetrically and fixedly arranged on two sides of the middle part of the upper surface of the heating cavity, elastic pieces are fixedly arranged on one sides adjacent to the inner cavities of the guide shells, sliding blocks which are in sliding sleeve joint with the guide shells on the same side are fixedly arranged on one ends of the elastic pieces, which deviate from the inner cavities, the sliding blocks are movably sleeved with crankshafts on the same side, a first limiting plate is fixedly arranged on the front side surface and the rear side surface of one side of the inner cavity of the heating cavity, the other side surface of the first limiting plate is in sliding contact with one side surface of a valve on one side, a second limiting plate is fixedly arranged on the front side surface and the rear side of the other side surface of the inner cavity of the heating cavity, the other side surface of the second limiting plate is in sliding contact with one side surface of the valve on the other side, the contact surface of the first limiting plate and the valve on one side is a smooth plane, the contact surface of the second limiting plate and the valve at the other side is a smooth surface;
the crushing mechanism is arranged in the middle of the other side of the upper surface of the base;
the separating mechanism is arranged on the other side of the upper surface of the base;
the cooling liquid is arranged at the bottoms of the crushing mechanism and the separating mechanism;
the turbine is fixedly arranged on the upper surface of the base, the output end of the turbine is fixedly connected with the bottom of the other side of the crushing mechanism, the input end of the turbine is fixedly connected with the bottom of one side of the separating mechanism, and the turbine adopts a high-power turbine.
Preferably, the cutting mechanism comprises an inclined shell, the upper surface of the inclined shell is an inclined plane with an angle larger than 45 degrees and smaller than 70 degrees, the inclined shell is fixedly arranged at the top end of the first supporting frame, side plates are fixedly arranged on the front side and the rear side of the inclined shell, a first driving piece is fixedly arranged on the front side of the top end of the first supporting frame, an installation shaft which is in sliding sleeve connection with the two side plates is fixedly arranged at the output shaft end of the first driving piece, a main belt wheel is fixedly arranged on one side, close to the first driving piece, of the installation shaft, and a plurality of cutting pieces penetrating through the upper portion of the inclined shell are fixedly arranged at the middle part of the installation shaft at equal intervals.
Preferably, the crushing mechanism comprises a stirring shell, the stirring shell is fixedly arranged on the other side of the middle part of the upper surface of the base, a shaft bracket is fixedly arranged at the bottom of an inner cavity of the stirring shell, a rotating shaft of which the bottom penetrates through the stirring shell and the base is movably sleeved on the front side and the rear side of the middle part of the shaft bracket, a plurality of groups of impact rings are fixedly arranged on the upper parts of the rotating shafts at equal intervals, the impact rings are made of high-strength and high-hardness materials, driven gears are fixedly arranged at the bottom ends of the rotating shafts, a driving frame is fixedly arranged at the other side of the middle part of the bottom surface of the base, a driving gear meshed with the driven gears at the rear side is fixedly arranged at the upper surface of the driving frame, a telescopic bracket is fixedly arranged at the middle part of the rear side of the stirring shell, a telescopic bracket is fixedly arranged on the upper surface of the telescopic bracket, a connecting block is fixedly arranged at the top end of the telescopic bracket, a connecting plate is fixedly arranged on the front side of the connecting block, a connecting rod is fixedly arranged at the front end of the lower surface of the connecting plate, a connecting rod is fixedly arranged at the bottom end of the connecting ring, a second driving gear is fixedly arranged on the upper surface of the connecting rod, a driving gear meshed with a second driving gear meshed with the driven gear, a telescopic frame is fixedly arranged at the top of the upper side of the driving gear, a driving gear meshed with the rear side of the driving gear, a telescopic frame, and a telescopic frame is fixedly arranged at the upper side of the rear side of the stirring shell.
Preferably, the separating mechanism comprises a containing cavity, an installation shell is fixedly installed at the upper part of the containing cavity, a filter plate inclined to the other side is fixedly installed at the upper part of the inner cavity of the installation shell, the filter plate is made of smooth materials, and the aperture of the filter plate is 20-25 microns.
Preferably, the height of the third supporting frame is greater than the height of the second supporting frame.
The concrete recovery method with the separation function comprises the following steps:
s1, starting a dividing mechanism, wherein the dividing mechanism cuts a concrete column into concrete blocks with the same size;
s2, starting a heating mechanism, wherein the heating mechanism heats the concrete block, so that the concrete block is heated up extremely quickly, the internal stress of the concrete block is increased, cracks are generated, and meanwhile, the strength of the concrete block is reduced;
s3, starting a crushing mechanism, wherein cooling liquid in the crushing mechanism rapidly cools the heated concrete blocks, so that the strength and the hardness of the concrete blocks are rapidly further reduced, and then a high-speed rotating impact ring impacts the low-strength and low-hardness concrete blocks, so that the concrete blocks are adhered to the steel bars and separated from the concrete;
and S4, finally, the cooling liquid carrying the concrete particles is filtered by the separating mechanism.
The working principle and the beneficial effects of the invention are as follows:
1. when the concrete column is used, the concrete column is firstly cut into concrete blocks with the same size through the cutting sheet rotating at a high speed, then the concrete blocks are quickly heated through the heating mechanism, the temperature of the concrete blocks is greatly changed in a short time, so that the internal stress of the concrete blocks is greatly increased to generate cracks, meanwhile, the strength of the concrete blocks is greatly reduced, then the heating mechanism pushes the concrete blocks to the middle part of the inner cavity of the stirring shell, the concrete blocks with the cracks at a high temperature are contacted with cooling liquid in the inner cavity of the stirring shell, the concrete blocks are quickly cooled, further the concrete blocks are cracked, meanwhile, the strength and the hardness of the concrete are further greatly reduced, then the impact ring rotating at a high speed impacts the concrete blocks with low strength and low hardness, so that the concrete blocks attached to the reinforcing steel bars start to separate, in addition, the suction force of the electromagnetic ring to the reinforcing steel bars and the driving force of the cooling liquid flowing upwards are used for pushing the reinforcing steel bars to move upwards until the concrete on the reinforcing steel bars are removed, and the reinforcing steel bars are adsorbed by the electromagnetic ring, so that the separation of the reinforcing steel bars in the concrete is realized.
2. According to the invention, the concrete blocks with low impact strength and low hardness are formed into small-particle mixed mud powder, the mixed mud particles are carried by the cooling liquid to flow to the upper surface of the filter plate from the outflow holes formed in the other side of the lower surface of the spray head, meanwhile, the cooling liquid which is not shielded in the falling process is cooled by air, so that the cooling liquid always keeps a low-temperature state, the filter plate filters the cooling liquid and the mixed mud particles, the mixed mud particles remained on the upper surface of the filter plate slide to the other side of the filter plate, and the filtered cooling liquid flows back to the inside of the accommodating cavity, so that the cooling liquid is cooled, and meanwhile, the high-strength concrete carrying reinforcing steel bars is granulated, so that the later recycling is facilitated.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a schematic view of a dividing mechanism according to the present invention;
FIG. 3 is a schematic view of a heating mechanism according to the present invention;
FIG. 4 is a schematic diagram of a second driving member according to the present invention;
fig. 5 is a schematic structural view of the crushing mechanism of the present invention.
In the figure: 1. a base; 2. a first support frame; 3. a dividing mechanism; 301. an inclined shell; 302. a side plate; 303. a first driving member; 304. a mounting shaft; 305. a main belt wheel; 306. cutting the sheet; 4. a second support frame; 5. a third support frame; 6. a heating mechanism; 601. a heating chamber; 602. a conveying shaft; 603. a first gear; 604. a secondary pulley; 605. a belt; 606. a heating rod; 607. a valve; 608. a side bar; 609. a valve stem; 610. a crankshaft; 611. a slide block; 612. an elastic member; 613. a guide shell; 614. a first limiting plate; 615. a second limiting plate; 7. a crushing mechanism; 701. stirring the shell; 702. a shaft bracket; 703. a rotating shaft; 704. striking a ring; 705. a driven gear; 706. a drive rack; 707. a second driving member; 708. a drive gear; 709. a telescopic frame; 710. a telescopic rod; 711. connecting blocks; 712. a connecting plate; 713. a connecting rod; 714. an electromagnetic coil; 715. a spray head; 8. a separation mechanism; 801. a cavity; 802. a mounting shell; 803. a filter plate; 9. and (3) a turbine.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, the embodiment of the invention provides a concrete recycling device with a separation function, which comprises a base 1 and also comprises
The first support frame 2 is fixedly arranged on one side of the upper surface of the base 1;
the dividing mechanism 3 is fixedly arranged at the top end of the first support frame 2;
the second support frame 4 is fixedly arranged in the middle of one side of the upper surface of the base 1;
the third support frame 5 is fixedly arranged in the middle of the upper surface of the base 1, and the height of the third support frame 5 is larger than that of the second support frame 4, so that the length of the recovery device is reduced, the height of the other end of the heating mechanism 6 is increased, and the heating time of the concrete block is indirectly increased;
the heating mechanism 6 is fixedly arranged at the top ends of the second support frame 4 and the third support frame 5;
the crushing mechanism 7 is arranged in the middle of the other side of the upper surface of the base 1;
the separating mechanism 8 is arranged on the other side of the upper surface of the base 1;
the cooling liquid is arranged at the bottoms of the crushing mechanism 7 and the separating mechanism 8, wherein the cooling liquid can adopt water which is low in price and common, so that the production cost is reduced;
turbine 9, turbine 9 fixed mounting is in the upper surface of base 1, and the output of turbine 9 and the bottom fixed connection of broken mechanism 7 opposite side, the bottom fixed connection of turbine 9 input and separation mechanism 8 one side, turbine 9 adopt high-power turbine to make the coolant liquid that flows into stirring shell 701 bottom can drive stirring shell 701 bottom massive concrete block and upwards move.
As shown in fig. 1 and 2, the dividing mechanism 3 includes an inclined shell 301, the upper surface of the inclined shell 301 is an inclined plane with an angle greater than 45 degrees and smaller than 70 degrees, so that the concrete column can slide downwards along the inclined plane of the inclined shell 301 to contact with a cutting blade 306 under the action of self gravity, the concrete column is prevented from being manually or mechanically pushed to contact with the cutting blade 306, the safety is improved, meanwhile, the production cost is reduced, the inclined shell 301 is fixedly mounted at the top end of the first support frame 2, side plates 302 are fixedly mounted at the front side and the rear side of the inclined shell 301, a first driving member 303 is fixedly mounted at the front side of the top end of the first support frame 2, a mounting shaft 304 which is in sliding sleeve joint with the two side plates 302 is fixedly mounted at the output shaft end of the first driving member 303, a main belt pulley 305 is fixedly mounted at one side of the mounting shaft 304, a plurality of cutting blades 306 penetrating through the upper part of the inclined shell 301 are fixedly mounted at the middle part of the mounting shaft 304, the cutting blades 306 are made of high-strength and high-wear-resistant materials, the cutting blades can be made of diamond materials, so that the cutting speed of the concrete column is accelerated, the cutting speed of the cutting blades is reduced, the wear of the cutting blades 306 is improved, and the time of the cutting blades 306 is long enough to cut steel bars 306 when the steel bars are used.
As shown in fig. 1 to 3, the heating mechanism 6 includes a heating cavity 601, the heating cavity 601 is fixedly installed at the top ends of the second support frame 4 and the third support frame 5, a plurality of groups of transmission shafts 602 are movably sleeved at the bottom of the inner cavity of the heating cavity 601 at equal intervals, the transmission shafts 602 are made of high heat-resistant materials, wherein, the first gears 603 can be made of metal tungsten, so that when the heating rod 606 heats the concrete block in the middle of the heating cavity 601, the transmission shafts 602 for bearing high-temperature concrete blocks are prevented from melting and deforming, the two ends of the plurality of groups of transmission shafts 602 are fixedly installed with the first gears 603, the middle parts of the two adjacent first gears 603 are fixedly installed with reversing wheels movably sleeved with the heating cavity 601, the reversing wheels are mutually meshed with the two adjacent first gears 603, the reversing wheels can keep the rotation directions between the two adjacent first gears 603 consistent, so that the concrete blocks placed on the upper part of the heating rod 606 can move from one side to the other side, the front end of the first gear 603 on one side is fixedly provided with the secondary pulley 604, the curved surface of the secondary pulley 604 is sheathed with the belt 605 sheathed with the main pulley 305, the middle part of the inner cavity of the heating cavity 601 is fixedly provided with a plurality of groups of heating rods 606 at equal intervals, one side and the other side of the inner cavity of the heating cavity 601 are symmetrically and movably sheathed with the valve 607, the front end and the rear end of the rotating shaft of the two valves 607 are fixedly provided with the side rods 608, the middle parts of the side rods 608 on the same side are movably sheathed with the valve rods 609, the two sides of the middle part of the upper surface of the heating cavity 601 are symmetrically and fixedly provided with the guide shells 613, the adjacent sides of the inner cavities of the two guide shells 613 are fixedly provided with the elastic pieces 612, the elastic pieces 612 on one side are always kept in a stretched state, the elastic pieces 612 on the other side are always kept in a compressed state, the two elastic pieces 612 are fixedly provided with the sliding blocks 611 sheathed with the guide shells 613 on the same side, the two sliding blocks 611 are movably sleeved with the crankshaft 610 at the same side respectively, the front side surface and the rear side surface of one side of the inner cavity of the heating cavity 601 are fixedly provided with a first limiting plate 614, wherein the first limiting plate 614 is used for limiting the clockwise rotation angle of the valve 607 at one side, the other side surface of the first limiting plate 614 is in sliding contact with one side surface of the valve 607 at one side, the front side and the rear side of the other side of the inner cavity of the heating cavity 601 are fixedly provided with a second limiting plate 615, the other side surface of the second limiting plate 615 is in sliding contact with one side surface of the valve 607 at the other side, the second limiting plate 615 is used for limiting the anticlockwise rotation angle of the valve 607 at the other side, the contact surface of the first limiting plate 614 and the valve 607 at the other side is a smooth surface, and therefore heat in the heating cavity 601 is reduced to flow out from the contact gap between the heating cavity 601 and the valve 607, and heat energy consumption is reduced.
As shown in fig. 1, 2, 4 and 5, the crushing mechanism 7 comprises a stirring shell 701, the stirring shell 701 is fixedly arranged on the other side of the middle part of the upper surface of the base 1, a shaft bracket 702 is fixedly arranged at the bottom of the inner cavity of the stirring shell 701, rotating shafts 703 with the bottom ends penetrating through the stirring shell 701 and the base 1 are movably sleeved on the front side and the rear side of the middle part of the shaft bracket 702, a plurality of groups of striking rings 704 are fixedly arranged on the upper parts of the two rotating shafts 703 at equal intervals, the striking rings 704 are made of high-strength and high-hardness materials, wherein the striking rings 704 can be made of cast steel materials, so that the striking rings 704 cannot break and rapidly wear when striking concrete blocks at high speed, driven gears 705 are fixedly arranged at the bottom ends of the two rotating shafts 703, a driving frame 706 is fixedly arranged on the other side of the middle part of the bottom surface of the base 1, the upper surface fixed mounting of drive frame 706 opposite side has second drive piece 707, the top fixed mounting of second drive piece 707 output shaft has the driving gear 708 with the meshing of rear side driven gear 705, the middle part fixed mounting of stirring shell 701 trailing flank has expansion bracket 709, the upper surface fixed mounting of expansion bracket 709 has telescopic link 710, the top fixed mounting of telescopic link 710 has link 711, the front side fixed mounting of link 711 has link 712, link 713 fixed mounting has the connecting rod 713 in the front end of link 712 lower surface, the bottom fixed mounting of link 713 has electromagnetic coil 714, the upper portion fixed mounting of stirring shell 701 opposite side has shower nozzle 715, the opposite side of shower nozzle 715 lower surface has seted up out the flow hole, wherein, the flow hole is seted up at the lower surface of shower nozzle 715, can avoid the coolant liquid level of outflow shower nozzle 715 to break away from the upper surface of filter 803.
As shown in fig. 1 and 4, the separation mechanism 8 comprises a cavity 801, a mounting shell 802 is fixedly mounted on the upper portion of the cavity 801, a filter plate 803 inclined to the other side is fixedly mounted on the upper portion of the inner cavity of the mounting shell 802, the filter plate 803 is made of a smooth material, and the aperture of the filter plate 803 is between 20 micrometers and 25 micrometers, so that the filter plate 803 can separate lime with the diameter of about 35 micrometers from water with the diameter of 0.45 micrometers, and the mixed clot powder on the upper surface of the filter plate 803 slides from the upper surface of the filter plate 803.
As shown in fig. 1 to 5, the present invention also provides a concrete recycling method having a separation function, comprising the steps of:
s1, starting a dividing mechanism 3, and cutting the concrete column into concrete blocks with the same size by the dividing mechanism 3;
s2, starting a heating mechanism 6, wherein the heating mechanism 6 heats the concrete block, so that the concrete block is heated up extremely quickly, the internal stress of the concrete block is increased, cracks are generated, and meanwhile, the strength of the concrete block is reduced, and the heating mechanism 6 needs to heat the concrete block to 800-1000 ℃, so that the splitting effect of the concrete block is ensured;
s3, starting a crushing mechanism 7, wherein the cooling liquid in the crushing mechanism 7 rapidly cools the heated concrete blocks, so that the strength and the hardness of the concrete blocks are rapidly further reduced, and then the impact ring 704 rotating at a high speed impacts the low-strength and low-hardness concrete blocks, so that the concrete blocks are adhered to the steel bars and separated from the concrete;
and S4, finally, the separating mechanism 8 filters the cooling liquid carrying the concrete particles.
Working principle:
before use, the first driving part 303 is started, the output shaft of the first driving part 303 drives the mounting shaft 304 to rotate, the mounting shaft 304 drives the main belt pulley 305 and the cutting blade 306 to rotate, the main belt pulley 305 drives the belt 605 to rotate, the belt 605 drives the auxiliary belt pulley 604 to rotate, the auxiliary belt pulley 604 drives the first gear 603 fixedly connected with the auxiliary belt pulley to rotate, the first gear 603 drives the transmission shaft 602 fixedly connected with the first gear 603 to rotate, meanwhile, the first gear 603 drives the reversing gear meshed with the first gear 603 to rotate, the reversing gear drives the first gear 603 at the other side meshed with the reversing gear to rotate, so that all the transmission shafts 602 keep the same direction to rotate clockwise, then the second driving part 707 is started, the output shaft of the second driving part drives the driving gear 708 to rotate positively, the driving gear 708 drives the driven gear 705 at the rear side to rotate reversely, the driven gear 705 at the rear side drives the driven gear 705 at the front side to rotate positively, the two driven gears 705 drive the two rotating shafts 703 fixedly connected with the two driven gears 703 to rotate in opposite directions, the two rotating shafts 703 drive the striking rings 704 fixedly connected with the two rotating shafts to rotate in opposite directions, then the turbine 9 is started, the turbine 9 rotates, the turbine 9 extracts the cooling liquid at the bottom of the cavity 801, the cooling liquid flows into the bottom of the cavity 801 from the output port at one side of the turbine 9 after passing through the turbine 9, then the cooling liquid flowing into the bottom of the cavity 801 flows from the bottom of the cavity 801 to the upper part of the cavity 801 at a high speed, then flows out of the outflow hole at the lower surface of the spray head 715, then passes through the bottom of the cavity 801 to which the filter plate 803 flows back, then the telescopic rod 710 is started, the telescopic end of the telescopic rod 710 drives the connecting block 711 to move upwards, the connecting plate 712 is started, the connecting plate 712 drives the connecting rod 713 to move upwards, the connecting rod 713 drives the electromagnetic coil 714 to move upwards, and the height of the electromagnetic coil 714 exceeds the other side of the heating cavity 601, finally, the heating rod 606 is electrified to heat the middle part of the inner cavity of the heating cavity 601.
When in use, the concrete column with the reinforced bars is placed on one side of the upper surface of the inclined shell 301, the concrete column moves downwards under the action of self gravity to be in contact with the cutting piece 306 rotating at high speed, the cutting piece 306 cuts the concrete column into concrete blocks with the same size, then the concrete blocks fall onto the upper surface of the conveying shaft 602, the rotating conveying shaft 602 drives the concrete blocks to move to the other side, the concrete blocks moving to the other side push the valve 607 on one side to rotate anticlockwise, at the moment, the rotating valve 607 drives the side rod 608 to rotate anticlockwise, the side rod 608 drives the valve rod 609 to move to one side, the valve rod 609 drives the crankshaft 610 to move to one side, the crankshaft 610 drives the sliding block 611 to move to one side, the sliding block 611 is pulled to stretch the elastic piece 612, when the conveying shaft 602 drives the concrete blocks to pass through the valve 607, the elastic piece 612 is restored, the valve 607 is enabled to rotate anticlockwise to be in contact with the first limiting plate 614, the inner cavity of the heating cavity 601 is closed, at the moment, the concrete block at normal temperature enters the inner cavity of the heating cavity 601 at high temperature, the temperature of the concrete block is increased at high speed, at the moment, the temperature difference of the concrete block is greatly changed, the concrete block is cracked, the strength is rapidly reduced, then the concrete block pushes the valve 607 on the other side, the valve 607 on the other side rotates anticlockwise, the valve 607 on the other side drives the side rod 608 fixedly connected with the valve 607 to rotate anticlockwise, the side rod 608 on the other side drives the valve rod 609 on the other side to move to one side, the valve rod 609 on the other side drives the crankshaft 610 on the other side to move to one side, the crankshaft 610 on the other side extrudes the elastic piece 612 on the other side to shrink, when the concrete block with the crack at high temperature passes through the valve 607 on the other end, the elastic piece 612 on the other side is restored, the valve 607 on the other side rotates clockwise, the inner cavity of the heating cavity 601 is closed, thereby reducing the loss of heat in the inner cavity of the heating cavity 601 and reducing the production cost;
then the concrete blocks with cracks at high temperature fall into the inner cavity of the stirring shell 701 from the other side of the conveying shaft 602, and are contacted with cooling liquid in the inner cavity of the stirring shell 701, so that the concrete with cracks at high temperature is rapidly cooled, further the concrete is cracked, meanwhile, the strength and the hardness of the concrete are further rapidly reduced, then the crushed concrete with low strength and hardness falling into the stirring shell 701 is contacted with the impact ring 704 rotating at high speed, the concrete blocks attached to the steel bars start to be separated, simultaneously, the telescopic rod 710 is started, the electromagnetic coil 714 is moved to the upper part of the inner cavity of the stirring shell 701, at the moment, the steel bars attached with more concrete are not sufficiently pushed by the suction force of the electromagnetic coil 714 and the upward flowing cooling liquid to overcome the gravity of the steel bars and the concrete attached to the steel bars, sink to the bottom of the stirring shell 701, and when the steel bars attached with the concrete are continuously impacted by the impact ring 704, the concrete on the reinforcing steel bar is continuously reduced, at this time, the suction force of the electromagnetic coil 714 to the reinforcing steel bar and the thrust of the cooling liquid flowing upwards start to push the reinforcing steel bar with the concrete to move upwards, until the reinforcing steel bar is removed, the reinforcing steel bar is adsorbed by the electromagnetic coil 714, thereby realizing the separation of the reinforcing steel bar in the concrete, in addition, the concrete with reduced strength and hardness forms small-particle mixed mud powder under the impact of the impact ring 704, the cooling liquid carries the mixed mud powder to flow to the upper surface of the filter plate 803 from the outflow hole on the other side of the lower surface of the spray head 715, meanwhile, the air cools the cooling liquid without shielding in the falling process, the filter plate 803 filters the mixed mud powder of the cooling liquid, the mixed mud powder lifted on the upper surface of the filter plate 803 slides to the other side of the filter plate 803, the filtered cooling liquid flows back into the cavity 801, thereby realizing the powdering of the concrete, is convenient for later recovery and utilization.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (6)

1. Concrete recovery unit with separation function, including base (1), its characterized in that: and also comprises
The first support frame (2) is fixedly arranged on one side of the upper surface of the base (1);
the dividing mechanism (3) is fixedly arranged at the top end of the first supporting frame (2);
the second support frame (4) is fixedly arranged in the middle of one side of the upper surface of the base (1);
the third support frame (5) is fixedly arranged in the middle of the upper surface of the base (1);
the heating mechanism (6) is fixedly arranged at the top ends of the second supporting frame (4) and the third supporting frame (5);
wherein the heating mechanism (6) comprises a heating cavity (601), the heating cavity (601) is fixedly arranged at the top ends of the second supporting frame (4) and the third supporting frame (5), a plurality of groups of conveying shafts (602) are movably sleeved at the bottom of the inner cavity of the heating cavity (601) at equal intervals, the conveying shafts (602) are made of high heat-resistant materials, a first gear (603) is fixedly arranged at two ends of the conveying shafts (602) at the same time, reversing wheels movably sleeved with the heating cavity (601) are fixedly arranged at the middle parts of two adjacent first gears (603), the reversing wheels are mutually meshed with the two adjacent first gears (603), auxiliary pulleys (604) are fixedly arranged at the front ends of the first gears (603), belts (605) sleeved with the main belt pulleys (305) are sleeved at the curved surfaces of the auxiliary pulleys (604), heating rods (606) are fixedly arranged at the middle parts of the inner cavity of the heating cavity (601) at equal intervals, valves (607) are movably sleeved at one side and the other side of the inner cavity, valve (607) are symmetrically arranged at the middle parts of the inner cavity, the two valve rods (608) are fixedly sleeved at the middle parts of the valve rod (608), an elastic piece (612) is fixedly arranged on one side, adjacent to the inner cavity, of each guide shell (613), of each elastic piece (612), a sliding block (611) which is in sliding connection with the guide shell (613) on the same side is fixedly arranged on one end, deviating from each elastic piece, of each elastic piece (612), each sliding block (611) is movably connected with a crankshaft (610) on the same side in a sleeved mode, a first limiting plate (614) is fixedly arranged on the front side surface and the rear side surface of one side of the inner cavity of each heating cavity (601), the other side surface of each first limiting plate (614) is in sliding contact with one side surface of one valve (607), a second limiting plate (615) is fixedly arranged on the front side and the rear side of the other side surface of the inner cavity of each heating cavity (601), the other side surface of each second limiting plate (615) is in sliding contact with one side surface of the other valve (607), and the contact surface of each second limiting plate (615) and the other valve (607) is a smooth surface;
the crushing mechanism (7) is arranged in the middle of the other side of the upper surface of the base (1);
the separating mechanism (8) is arranged on the other side of the upper surface of the base (1);
the cooling liquid is arranged at the bottoms of the crushing mechanism (7) and the separating mechanism (8);
turbine (9), turbine (9) fixed mounting is in the upper surface of base (1), the output of turbine (9) and the bottom fixed connection of broken mechanism (7) opposite side, the input of turbine (9) and the bottom fixed connection of separating mechanism (8) one side, turbine (9) adopt high-power turbine.
2. The concrete recycling apparatus with separation function according to claim 1, wherein: the cutting mechanism (3) comprises an inclined shell (301), the upper surface of the inclined shell (301) is an inclined surface with an angle larger than 45 degrees and smaller than 70 degrees, the inclined shell (301) is fixedly installed at the top end of a first supporting frame (2), side plates (302) are fixedly installed on the front side and the rear side of the inclined shell (301), a first driving piece (303) is fixedly installed on the front side of the top end of the first supporting frame (2), an installation shaft (304) which is in sliding sleeve connection with the two side plates (302) is fixedly installed at the output shaft end of the first driving piece (303), a main belt wheel (305) is fixedly installed at one side, close to the first driving piece (303), of the installation shaft (304), a plurality of cutting pieces (306) penetrating through the upper portion of the inclined shell (301) are fixedly installed at the middle part of the installation shaft (304) at equal intervals, and the cutting pieces (306) are made of high-strength and high-wear-resistant materials.
3. The concrete recycling apparatus with separation function according to claim 1, wherein: the crushing mechanism (7) comprises a stirring shell (701), the stirring shell (701) is fixedly arranged on the other side of the middle part of the upper surface of the base (1), a shaft bracket (702) is fixedly arranged at the bottom of the inner cavity of the stirring shell (701), a rotating shaft (703) with the bottom penetrating through the stirring shell (701) and the base (1) is movably sleeved on the front side and the rear side of the middle part of the shaft bracket (702), a plurality of groups of impact rings (704) are fixedly arranged on the upper parts of the two rotating shafts (703) at equal intervals, the impact rings (704) are made of high-strength and high-hardness materials, driven gears (705) are fixedly arranged on the bottom ends of the two rotating shafts (703), a driving frame (706) is fixedly arranged on the other side of the middle part of the bottom surface of the base (1), a second driving part (707) is fixedly arranged on the upper surface of the other side of the driving frame (706), a driving gear (708) meshed with the rear driven gear (705) is fixedly arranged at the top end of an output shaft of the second driving part (707), a middle part of the rear side of the stirring shell (703) is fixedly provided with a plurality of impact rings (704), a driven gear (705) is fixedly arranged on the top of the telescopic rod (710), a telescopic rod (710) is fixedly connected with the telescopic rod (711), the front end of the lower surface of the connecting plate (712) is fixedly provided with a connecting rod (713), the bottom end of the connecting rod (713) is fixedly provided with an electromagnetic coil (714), the upper part of the other side of the stirring shell (701) is fixedly provided with a spray head (715), and the other side of the lower surface of the spray head (715) is provided with a flow outlet hole.
4. The concrete recycling apparatus with separation function according to claim 1, wherein: the separation mechanism (8) comprises a containing cavity (801), a mounting shell (802) is fixedly mounted on the upper portion of the containing cavity (801), a filter plate (803) inclined towards the other side is fixedly mounted on the upper portion of the inner cavity of the mounting shell (802), the filter plate (803) is made of a smooth material, and the aperture of the filter plate (803) is between 20 microns and 25 microns.
5. The concrete reclamation apparatus with separation function according to claim 1, characterized in that the height of the third support frame (5) is greater than the height of the second support frame (4).
6. A concrete recovery method with a separation function, using the concrete recovery apparatus with a separation function according to claim 1, characterized in that: the method also comprises the following steps:
s1, starting a dividing mechanism (3), and cutting the concrete column into concrete blocks with the same size by the dividing mechanism (3);
s2, starting a heating mechanism (6), wherein the heating mechanism (6) heats the concrete block, so that the concrete block is heated up at a high speed, the internal stress of the concrete block is increased, cracks are generated, and meanwhile, the strength of the concrete block is reduced;
s3, starting a crushing mechanism (7), wherein the cooling liquid in the crushing mechanism (7) rapidly cools the heated concrete blocks to enable the strength and the hardness of the concrete blocks to be rapidly further reduced, and then striking a low-strength and low-hardness concrete block by a striking ring (704) rotating at a high speed to enable the concrete blocks to be adhered to the steel bars and separated from the concrete;
and S4, finally, the separating mechanism (8) filters the cooling liquid carrying the concrete particles.
CN202311172788.XA 2023-09-12 2023-09-12 Concrete recycling device and method with separation function Active CN117000741B (en)

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